diff --git a/healthlink-his-ui/src/i18n/autoTranslate.js b/healthlink-his-ui/src/i18n/autoTranslate.js
index abc1b9194..26725b456 100644
--- a/healthlink-his-ui/src/i18n/autoTranslate.js
+++ b/healthlink-his-ui/src/i18n/autoTranslate.js
@@ -83,6 +83,9 @@ const translationDict = {
     '首页': 'Home', '仪表盘': 'Dashboard', '个人中心': 'Profile',
     '帮助': 'Help', '关于': 'About', '版本': 'Version',
     '在线': 'Online', '离线': 'Offline', '已连接': 'Connected', '未连接': 'Disconnected',
+    '医院信息管理系统': 'Hospital HIS', '医院管理系统': 'Hospital HIS',
+    '信息管理系统': 'Info System', '管理系统': 'Management System',
+    '经创贺联': 'HealthLink', 'HIS': 'HIS',
     '元': 'Yuan', '次': 'Times', '天': 'Days', '小时': 'Hours', '分钟': 'Minutes',
     '条': 'Items', '个': 'Items', '项': 'Items', '次/分': 'Times/min',
     // 菜单专用术语
diff --git a/healthlink-his-ui/src/layout/components/Sidebar/Logo.vue b/healthlink-his-ui/src/layout/components/Sidebar/Logo.vue
index fb5a79ce1..65f73c109 100755
--- a/healthlink-his-ui/src/layout/components/Sidebar/Logo.vue
+++ b/healthlink-his-ui/src/layout/components/Sidebar/Logo.vue
@@ -7,31 +7,37 @@
         sideTheme === 'theme-dark' ? variables.menuBackground : variables.menuLightBackground,
     }"
   >
-    <router-link
-      class="sidebar-logo-link"
-      to="/index"
+    <el-tooltip
+      :content="title"
+      placement="right"
+      :disabled="!collapse"
     >
-      <el-image
-        :src="logoImage"
-        class="sidebar-logo"
-        fit="contain"
-      />
-      <div
-        v-if="!collapse"
-        class="logo-text"
-        :style="{ color: textColor }"
+      <router-link
+        class="sidebar-logo-link"
+        to="/index"
       >
-        <h1 class="sidebar-title">
-          {{ title }}
-        </h1>
-        <p
-          v-if="displayName"
-          class="hospital-name"
+        <el-image
+          :src="logoImage"
+          class="sidebar-logo"
+          fit="contain"
+        />
+        <div
+          v-if="!collapse"
+          class="logo-text"
+          :style="{ color: textColor }"
         >
-          {{ displayName }}
-        </p>
-      </div>
-    </router-link>
+          <h1 class="sidebar-title">
+            {{ title }}
+          </h1>
+          <p
+            v-if="displayName"
+            class="hospital-name"
+          >
+            {{ displayName }}
+          </p>
+        </div>
+      </router-link>
+    </el-tooltip>
   </div>
 </template>
 
@@ -41,8 +47,9 @@ import useSettingsStore from '@/store/modules/settings';
 import useUserStore from '@/store/modules/user';
 import {computed} from 'vue';
 import {useI18n} from 'vue-i18n';
+import {autoTranslate} from '@/i18n/autoTranslate';
 
-const {t} = useI18n();
+const {t, locale} = useI18n();
 
 defineProps({
   collapse: {
@@ -51,11 +58,25 @@ defineProps({
   },
 });
 
-const title = computed(() => import.meta.env.VITE_APP_TITLE || t('sidebar.defaultTitle'));
 const settingsStore = useSettingsStore();
 const userStore = useUserStore();
+
+// 系统标题：优先用 i18n 翻译，fallback 到环境变量
+const title = computed(() => {
+  const envTitle = import.meta.env.VITE_APP_TITLE;
+  if (locale.value === 'zh-CN') return envTitle || t('sidebar.defaultTitle');
+  // 非中文时，用自动翻译
+  return autoTranslate(envTitle || '医院信息管理系统');
+});
+
+// 租户/医院名称：非中文时尝试自动翻译
+const displayName = computed(() => {
+  const name = userStore.tenantName || userStore.hospitalName || userStore.orgName || '';
+  if (!name || locale.value === 'zh-CN') return name;
+  return autoTranslate(name);
+});
+
 const sideTheme = computed(() => settingsStore.sideTheme);
-const displayName = computed(() => userStore.tenantName || userStore.hospitalName || userStore.orgName || '');
 
 const textColor = computed(() => {
   return sideTheme.value === 'theme-dark' ? '#fff' : '#303133';
diff --git a/healthlink-his-ui/src/views/login.vue b/healthlink-his-ui/src/views/login.vue
index f85da17e9..7c5a6ad8d 100755
--- a/healthlink-his-ui/src/views/login.vue
+++ b/healthlink-his-ui/src/views/login.vue
@@ -15,7 +15,7 @@
           />
         </div>
         <h1 class="brand-title">
-          {{ currentTenantName || settings.systemName }}
+          {{ brandTitle }}
         </h1>
         <p class="brand-subtitle">
           {{ $t('login.systemSubtitle') }}
@@ -229,7 +229,7 @@
             <span v-if="backendVersion">&nbsp;·&nbsp;{{ $t('login.backendVersion') }} v{{ formattedBackendVersion }}</span>
           </p>
           <p class="copyright">
-            &copy; 2025 {{ currentTenantName || settings.systemName }}{{ $t('login.copyrightSystem') }}
+            &copy; 2025 {{ brandTitle }}{{ $t('login.copyrightSystem') }}
           </p>
         </div>
       </div>
@@ -250,6 +250,7 @@ import useUserStore from '@/store/modules/user';
 import {ElMessage} from 'element-plus';
 import {getSystemVersion} from '@/api/system/info';
 import logoNew from '@/assets/logo/LOGO.jpg';
+import {autoTranslate} from '@/i18n/autoTranslate';
 
 const userStore = useUserStore();
 const route = useRoute();
@@ -304,6 +305,13 @@ const loginForm = ref({
 const tenantOptions = ref([]);
 const currentTenantName = ref('');
 
+// 品牌标题：非中文时自动翻译
+const brandTitle = computed(() => {
+  const name = currentTenantName.value || settings.systemName;
+  if (!name || locale.value === 'zh-CN') return name;
+  return autoTranslate(name);
+});
+
 const loginRules = computed(() => ({
   username: [{ required: true, trigger: 'blur', message: t('login.validationUsername') }],
   password: [{ required: true, trigger: 'blur', message: t('login.validationPassword') }],